Class Central

Rankings
Career Certificates

Subjects

View all

Computer Science
Health & Medicine
Mathematics
Business
Humanities
Engineering
Science
Education & Teaching
Social Sciences
Art & Design
Artificial Intelligence
Data Science
Programming
Personal Development
Information Security (InfoSec)

View all Subjects

Universities
The Report

Courses from 1000+ universities

Rankings

Best Courses

Best of All Time
Best of the Year

Most Popular Courses

Most Popular of All Time
Most Popular of the Year

Career Certificates

Generative AI
UX Design
Data Science
Finance
DevOps
Project Management
View all Career Certificates

Computer Science

Algorithms and Data Structures
Internet of Things
Information Technology
Computer Networking
DevOps
Cryptography
Quantum Computing
Human-Computer Interaction (HCI)
Distributed Systems
Blockchain Development
Operating Systems
Computer Graphics
Automata Theory
Compilers
Mainframe
Digital Image Processing
Computational Models
Algorithm Design
Information Theory
Algorithms
View all Computer Science

Health & Medicine

Nutrition & Wellness
Disease & Disorders
Public Health
Health Care
Nursing
Anatomy
Veterinary Science
Continuing Medical Education (CME)
Blood Pressure
Wellbeing
Women's Health
Dysphagia
Occupational Therapy
Hygiene
Healthcare Innovation
Music Therapy
Holistic Health
Ayurveda
Herbalism
Massage Therapy
View all Health & Medicine

Mathematics

Statistics & Probability
Foundations of Mathematics
Calculus
Discrete Mathematics
Trigonometry
Geometry
Algebra
Precalculus
Number Theory
Combinatorics
Mathematical logic
Linear Programming
Graph Theory
Set Theory
Group Theory
Differential Equations
Polynomials
Integration
Mathematical Analysis
Mathematical Thinking
View all Mathematics

Business

Management & Leadership
Finance
Entrepreneurship
Marketing
Strategic Management
Industry Specific
Business Intelligence
Project Management
Sales
Design Thinking
Business Software
Customer Service
Nonprofit Management
Operations Management
Corporate Governance
Business Plan
Business Proposal
Product Design
Crowdsourcing
Business Planning
View all Business

Humanities

History
Literature
Language Learning
Grammar & Writing
Philosophy
Religion
ESL
Culture
Sports
Journalism
Linguistics
Food
Library Science
Reading
Crisis Management
Games
Emergency Management
Performing Arts
Religious Studies
Spirituality
View all Humanities

Engineering

Electrical Engineering
Mechanical Engineering
Civil Engineering
Nanotechnology
GIS
Textiles
Manufacturing
BIM
CAD
Chemical Engineering
Energy Systems
Aerospace Engineering
Finite Element Analysis
SCADA
GD&T (Geometric Dimensioning and Tolerancing)
Geotechnical Engineering
Reliability Engineering
Petroleum Engineering
Control Theory
Environmental Engineering
View all Engineering

Science

Chemistry
Physics
Environmental Science
Astronomy
Biology
Agriculture
Materials Science
Earth Science
Applied Science
Forensic Science
Meteorology
Horology
Paleontology
Fire Science
Sensory Science
Ergonomics
Physical Sciences
Complex Systems
Scientific Method
Medicine
View all Science

Education & Teaching

K12
Higher Education
STEM
Teacher Professional Development
Course Development
Online Education
Pedagogy
Social-emotional Learning (SEL)
Instructional Design
Homeschooling
Special Education
Adult Education
Course Design
Educational Technology
Curriculum Development
Student-Centered Learning
Student Engagement
Classroom Management
Early Childhood Education
Elementary Education
View all Education & Teaching

Social Sciences

Sociology
Economics
Psychology
Anthropology
Political Science
Law
Urban Planning
Human Rights
Governance
Archaeology
Social Work
Early Childhood Development
Structural Equation Modeling
Cultural Studies
Community Engagement
Philanthropy
Behavioral Science
Media Studies
Global Development
Social Development
View all Social Sciences

Art & Design

Music
Digital Media
Visual Arts
Design & Creativity
Photography
Art Therapy
Art Composition
Character Design
Fashion Design
Golden Ratio
Copic Markers
Jewelry Design
Animal Illustration
Anime Drawing
Street Art
Observational Drawing
Greeting Cards
Clay Modeling
Epoxy Resin
Miniature Art
View all Art & Design

Artificial Intelligence

Computer Vision
Natural Language Processing (NLP)
Neural Networks
Autonomous Vehicles
Chatbot
IBM Watson
Intelligent Systems
Genetic Algorithms
Intelligence
Heuristics
Ontology
Collective Intelligence
Constraint Programming
Semantics
Computational Linguistics
Computational Creativity
Evolutionary Algorithms
Speech Recognition
Bots
Speech Synthesis
View all Artificial Intelligence

Data Science

Bioinformatics
Big Data
Data Mining
Jupyter Notebooks
Process Mining
Stata
Text Mining
Social Network Analysis
Computational Analysis
Data Collection
Information Retrieval
Data Processing
Data Wrangling
Data Extraction
Data Manipulation
Network Analysis
Data Preparation
Big Data Analytics
Graph Analysis
Data Engineering
View all Data Science

Programming

Mobile Development
Web Development
Databases
Programming Languages
Software Development
Domain-Specific Languages (DSL)
Hardware Description Languages (HDL)
Aspect-oriented programming
Object-oriented programming
Visual Programming
Competitive Programming
Database Programming
Generic Programming
Programming Language Development
Leetcode
GNU Toolchain
Windsurf
Vibe Coding
Cloud Computing
Game Development
View all Programming

Personal Development

Communication Skills
Career Development
Self Improvement
Presentation Skills
Resilience
Gratitude
Growth Mindset
Self-Assessment
Survival Skills
Sleep Improvement
Career Planning
Empowerment
Generosity
Personal Growth
Courage
Humility
Social Skills
Dog Training
Passion
Life Coaching
View all Personal Development

Information Security (InfoSec)

Ethical Hacking
Digital Forensics
Reverse Engineering
Penetration Testing
Malware Analysis
DevSecOps
OSINT (Open Source Intelligence)
Red Team
Blue Team
Network Security
Cybersecurity
Threat Intelligence
View all Information Security (InfoSec)

Inside the Coursera-Udemy Deal: Three Bids, Two Years and a Rival Suitor

Buried in Coursera’s 300-page prospectus: two failed merger attempts, competing bidders, a rogue shareholder, and a combined market cap that shrank from $3.8 billion to $1.7 billion.

Dhawal Shah Apr 07, 2026

Latest

8 Best Logo Design Courses Online in 2026 (Free & Paid)
8 Best Nutrition Courses Online for 2026 (Free & Paid)
9 Best Physics Courses Online for 2026 (Free & Paid)
[2026] 1300+ Free SWAYAM + NPTEL Courses
Best Neuroscience Courses Online (Free & Paid) 2026

Write for The Report

Visit The Report

600 Free Google Certifications
Trending

Most common

Popular courses

Academic Writing Made Easy
edX
Mechanics of Materials I: Fundamentals of Stress & Strain and Axial Loading
Georgia Institute of Technology
Digital Marketing
Panjab University Chandigarh

Organize and share your learning with Class Central Lists.

View our Lists Showcase

Sign up

Log in or Sign up

Log in
Sign up

Institutions
Dave Hollingworth

Free Online

Dave Hollingworth Courses

7 courses

Showing 7 courses

Sort by Relevancy

Filter by

Filters

1. Free course (7)
Level
1. Beginner (3)
2. Intermediate (4)
Duration
1. < 30 mins (4)
2. 30 - 60 mins (3)
Subject
1. Programming (7)
2. Computer Science (1)
Language
1. English (7)

CodeIgniter 4 and PHP MVC Basics - Controllers, Views, and Layouts
1 rating

Learn CodeIgniter 4 basics: MVC structure, controllers, views, layouts, and routing. Master essential techniques for efficient PHP web development and reduce code repetition.
- YouTube
- 25 minutes
- Self-Paced
- Free Video
Create a PHP REST API - Write a RESTful API from Scratch Using Plain, Object-Oriented PHP and MySQL

Develop a complete RESTful API using PHP and MySQL, covering essential concepts like routing, database operations, error handling, and data validation for efficient API creation.
- YouTube
- 44 minutes
- Self-Paced
- Free Video
Signup and Login with PHP and MySQL

Create a secure user authentication system with PHP and MySQL, covering signup, login, and logout functionalities using best practices and client-side validation.
- YouTube
- 43 minutes
- Self-Paced
- Free Video
Save HTML Form Data to a MySQL Database Using PHP

Learn to create HTML forms and save data to MySQL using PHP, covering form controls, data validation, SQL injection prevention, and database operations.
- YouTube
- 25 minutes
- Self-Paced
- Free Video
What's New in PHP 8.0 - Learn How to Use PHP 8.0's New Features With Real-World Examples

Explore PHP 8.0's new features with real-world examples, including named arguments, union types, nullsafe operator, constructor property promotion, match expression, attributes, and improved exception handling.
- YouTube
- 22 minutes
- Self-Paced
- Free Video
How to Use a REST API from PHP Using cURL - Full PHP cURL API Tutorial

Comprehensive tutorial on using REST APIs with PHP cURL, covering request methods, headers, JSON handling, and HTTP status codes for effective API integration.
- YouTube
- 31 minutes
- Self-Paced
- Free Video
How to Call APIs from PHP - File_get_contents, cURL, Guzzle and SDKs

Explore various PHP methods for API calls: file_get_contents, cURL, Guzzle, and SDKs. Learn advantages, disadvantages, and practical implementation of each approach.
- YouTube
- 25 minutes
- Self-Paced
- Free Video

Career Certificates

Generative AI
UX Design
Data Science
Finance
DevOps
Project Management
All Subjects

Coursera
edX
Noble Desktop
Simplilearn
CodeSignal
Boot.dev
All Universities

The Report by Class Central RSS Feed

Series Finale of Online Education
Udemy Earns More, Pays Less
Duolingo's 2026 Strategy
1000s of Free Certificates
Best Courses Guides
Best of All Time
Most Popular of All Time

About Class Central

Class Central aggregates courses from many providers to help you find the best courses on almost any subject, wherever they exist.

Facebook
Twitter
LinkedIn
YouTube
Bluesky

Class Central © 2011-2026 Privacy Policy

About Us
Join Us
Write for Us
Help Center
Contact Us

Share

Facebook
Twitter
Bluesky
Email

Never Stop Learning.

Get personalized course recommendations, track subjects and courses with reminders, and more.

Sign up for free

Someone learning on their laptop while sitting on the floor.